def update_book():
books = None
book = None
if request.method == 'GET':
book = Book.find_by_id(request.args.get('id'))
authors = book.get_book_authors()
if (authors):
book.authors = ','.join([author[1] for author in authors])
if book:
return render_template('update_book.html', book=book)
if request.method == 'POST':
form = request.form
book = Book.find_by_id(form['id'])
print(form)
if book:
book.date = form['date']
book.genre = form['genre']
book.isbn = form['isbn']
book.title = form['title']
book.authors = [
author.strip() for author in request.form['authors'].split(',')
]
book.update_book()
if book:
return render_template('books.html', books=[book])
books = Book.get_all_books()
if books:
return render_template('books.html', books=books)
return render_template('index.html')
def view_books():
books = None
if request.method == 'GET':
req = request.args
if req.get('title') and req.get('title') != "":
books = Book.find_by_substring(req.get('title'))
elif req.get('genre') and req.get('genre') != "":
books = Book.find_by_genre(req.get('genre'))
elif req.get('author') and req.get('author') != "":
books = Book.find_by_author(req.get('author'))
if request.method == 'POST':
if request.form["target"] == 'delete':
Book.delete_book_by_id(request.form["id"])
if not books:
books = Book.get_all_books()
if books:
for book in books:
authors = book.get_book_authors()
if (authors):
book.authors = [author[1] for author in authors]
return render_template('books.html', books=books)
return render_template('index.html')
